Bed



FIG. 1 is a left front perspective view of a bed showing my new design;

FIG. 2 is a front view of the headboard and footboard as seen from the footboard;

FIG. 3 is a view from inside the headboard;

FIG. 4 is a front view of the footboard; and,

FIG. 5 is a side view, the opposite side being a mirror image.

The broken lines are for illustrative purposes and form no part of the claimed design. 

The ornamental design for a bed, as shown and described. 